4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS 81-11-8

CAS:81-11-8

Ụdị molekụla:C14H14N2O6S2

Arọ Molecular:370.4

EINECS:201-325-2

Ụdị okwu:diaminotilbenedisulfonicacid; 4,4'-Diaminodiphenylethylene-2,2'-disulfonic acid'; 4',4 "Diamino stillbene 2'2" disulphonic acid; 1,2-bis (4-amino-2-sulfophenyl) ethene; 4,4'-Diamino-2,2'-stibenedisulfonic acid; 4,4'-DIAMINO-2,2'-STILBENEDISULFOnic ACI D, TECH,85%; 2,2'- (1,2-ethenediyl) bis [5-amino-benzenesulfonicaci; 2,2'- (1,2-ethenediyl) bis [5-amino-Benzenesulfonicacid; 2,2'- (1,2-ethenediyl) bis[5-amino-benzenesulfonicacid]

Hapụ Ozi Gị

Nkọwa ngwaahịa

Budata

Mkpado ngwaahịa

Kedu ihe bụ 4,4'-Diamino-2,2'-stilbenedisulfonic acid CAS 81-11-8?

4,4 '- diaminodiphenyl-2,2' - disulfonic acid bụ nke klas nke ogige stilbene ma nwee ike ịkwado ya site na hydrogenation nke nitro dochie precursor ogige. 4,4 '- Diamino-2,2' - stilbenedisilfonic acid bụ a odo agịga ekara hygroscopic crystal. Dị ntakịrị soluble na mmiri, soluble na ethanol na ether, mfe soluble na alkaline ngwọta.

Nkọwapụta

Ihe	Nkọwapụta
pKa	-1.58±0.50 (buru amụma)
Ebe mgbaze	300 Celsius C
Njupụta	1.4732 (atụmatụ siri ike)
Uzuoku mgbali	1.3hPa na 25 ℃
SOLULU	<0.1 g/100 ml na 23ºC
Refractivity	1.6510 (atụ)

Ngwa

4,4 '- Diamino-2,2' - stilbenedisilfonic acid dye na etiti dị ka fluorescent whitening agent. 4,4 '- Diamino-2,2' - stilbenedisilfonic acid na-eji na-emepụta fluorescent whitening ihe, kpọmkwem oyi kpọnwụrụ odo G na kpọmkwem odo R, na dị ka ụmụ ahụhụ.